In a flooded system of a shell and tube chiller, what fluid comes in and out of the end caps?

In a flooded system of a shell and tube chiller, the correct understanding revolves around how the fluids circulate and interact within the heat exchanger design. When referring to what fluid comes in and out of the end caps, option C accurately describes that the fluid flowing through the end caps will indeed circulate through the tubes.

In this type of chiller system, the primary refrigerant typically fills the shell side, while a secondary fluid (often water or another coolant) flows through the tubes. The end caps are integral components that connect the flow paths for the refrigerant entering and exiting the system. Therefore, the important aspect here is recognizing that the design allows the refrigerant to be in contact with the tube surfaces, facilitating efficient heat exchange while the coolant flows through them.

Recognizing how each type of fluid functions within the system helps to clarify the operation of the chiller. The statement regarding the fluid through the tubes and its movement through the end caps illustrates a fundamental characteristic of flooded systems, marking it as the correct answer.